Seal Zinc

Seal Zinc


The Seal Zinc Prospect is located at the base of a small peninsula approximately 350 m from tidewater at Aston Bay on Somerset Island, Nunavut. It is located 20 kilometres north-west of the Storm Copper Prospect and is situated along the same structural trend.

The Seal Zinc Prospect occurs predominantly as massive sphalerite and pyrite in the Ship Point Formation. Mineralization is hosted in an 8-to-10 metre (m) thick porous and permeable basal quartz-arenite with interbeds of dolostone and sandy dolostone. Zinc mineralization is present in two forms within the Seal Zinc showing: coarse-grained, reddish-brown blackjack sphalerite and honey yellow, colloform sphalerite. The zinc mineralization occurs as local to complete replacement of the sandy dolostone interbeds as well as interstitial disseminations in massive sandstone beds.

The prospect was evaluated with drilling by Cominco Ltd. between 1995 and 2001. During this time a total of 5,115 m of core was drilled in 32 holes. These efforts defined a zone of strata-bound zinc and silver mineralization that remains open. Highlights from the drilling are presented in the table below:





  • 18.8 m core length grading 10.58% zinc (Zn) and 28.7 g/t silver (Ag) starting from 51 m depth.
  • 30.8 m core length grading 5.11% Zn and 23.0 g/t Ag starting from 101 m depth.


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